MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 28

• Manufacturer Part Number: MCP4431
• Description: 7/8-bit Volatile Quad Digital Pot With I 2c Interface
• Manufacturer: Microchip Technology Inc.

MCP443X/5X
Note: Unless otherwise indicated, T
FIGURE 2-46:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-47:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-48:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DS22267A-page 28
Note:
120
100
300
260
220
180
140
100
15000
14000
13000
12000
11000
10000
80
60
40
20
60
20
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0
0
125°C
125°C
See
information of R
characteristics for V
0
32
-40C Rw
-40C INL
-40C DNL
-40C Rw
-40C INL
-40C DNL
32
-40C Rw
-40C INL
-40C DNL
DNL
85°C
DNL
85°C
Wiper Setting (decimal)
25°C
64
Wiper Setting (decimal)
64
Appendix
Wiper Setting (decimal)
64
25°C
25C Rw
25C INL
25C DNL
-40°C
50 k
50 k
DNL
50 k
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
-40°C
INL
RW

DD

DD

DD
128
W
INL
Pot Mode – R
Pot Mode – R
Pot Mode – R
85C Rw
85C INL
85C DNL
85C Rw
85C INL
85C DNL
INL
= 5.5V).
= 3.0V).
= 1.8V).
R
R
85C Rw
85C INL
85C DNL
W
W
B:
resistance variation
DD
A
192
> 2.7V.
= +25°C, V
for
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
additional
256
W
W
W
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
(
(
(
DD



),
),
),
= 5V, V
SS
= 0V.
FIGURE 2-49:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-50:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-51:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
Note:
120
100
300
260
220
180
140
100
15000
14000
13000
12000
11000
10000
80
60
40
20
60
20
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0
0
125°C
125°C
0
See
information of R
characteristics for V
-40C Rw
-40C INL
-40C DNL
32
32
-40C Rw
-40C INL
-40C DNL
-40C Rw
-40C INL
-40C DNL
DNL
85°C
85°C
Wiper Setting (decimal)
64
Wiper Setting (decimal)
DNL
DNL
64
64
Wiper Setting (decimal)
Appendix
25°C
25C Rw
25C INL
25C DNL
25°C
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
50 k
50 k
50 k
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
 2010 Microchip Technology Inc.
INL
-40°C
-40°C
128

DD

DD

DD
INL
85C Rw
85C INL
85C DNL
R
W
Rheo Mode – R
Rheo Mode – R
Rheo Mode – R
85C Rw
85C INL
85C DNL
85C Rw
85C INL
85C DNL
= 5.5V).
W
= 3.0V).
= 1.8V, I
B:
resistance variation
DD
192
RW
INL
> 2.7V.
125C Rw
125C INL
125C DNL
R
for
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
W
W
256
= 25 µA).
additional
1
0.75
0.5
0.25
0
-0.25
-0.5
-0.75
-1
78.5
73.5
68.5
63.5
58.5
53.5
48.5
43.5
38.5
33.5
28.5
23.5
18.5
13.5
8.5
3.5
-1.5
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
W
W
W
(
(
(



),
),
),